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The main goal in Bacterial Takeover is to destroy as many planets as possible.

Attacking a planet uses up all Bacteria and Nanobots, and resets colonies and Bacteria upgrades. Destroying planets unlocks new upgrades and features, such as Colony irradiation or Nanobot production.

After entering a Black Hole, the player enters an alternate timeline where none of the planets have been destroyed. The planets in the alternate timeline have the same stats and defenses, but can unlock different features. For example, destroying the fifth planet after the first Black Hole unlocks Bacteria irradiation.

The first 34 planets have unique descriptions and artwork, but the others are generated automatically.

Planet Attacks

Initially, it's possible to attack a planet only once you have enough bacteria to destroy 100% of the population. Starting from Planet 6, you can attack an unlimited number of times until it is finally destroyed.

A planet counts as destroyed if its remaining population has been reduced to 0. However, it's not possible to attack a planet if the player cannot destroy enough population to gain even 1 Gene Strand.

The amount of population that is destroyed during the attack is equal to the total of the population destroyed by Bacteria and Nanobots.

Using Bacteria

The formula that determines the percentage of population that will be destroyed by Bacteria is based on the SIR model for the spread of infectious diseases.

For this reason, it can sometimes take more Bacteria to kill the last 1% of the population that it was required to destroy the first 99%.

The total number of Bacteria required to destroy 100% of the initial population is calculated according to the following formula:

BacteriaNeeded = Population × 9.9 × 15ShieldLevel

Using Nanobots

The percentage of population destroyed by Nanobots is calculated according to the formula

Nanobot formula.png


  • Population Destroyed - how many percent of the initial planet population will be destroyed by Nanobots in the current attack. This is limited to 40% of the initial population, so it's impossible to completely destroy a planet only with Nanobots in the first attack.
  • Nanobot Count - the current number of Nanobots owned by the player.
  • Nanobot Resistance Coefficient - a number that is determined by the Nanobot resistance of the current planet.
  • Nanobot Strength - a multiplier that is set at 1 by default and is multiplied by any increases to Nanobot strength, such as Planetary Research discoveries and Dark Matter Institute technologies.


Killing a percentage of a planet's population earns Gene Strands.

If the player has already unlocked Minerals, completely destroying a planet also has a chance to drop a Mineral native to the current planet.

Destroying planets also unlocks new game mechanics and upgrades.


Both attacking and destroying planets resets certain resources, upgrades, and bonuses.

Attacking a planet resets:

Attacking a planet does not reset:

Destroying a planet resets:

Destroying a planet does not reset:

  • Nanobots that were not necessary to destroy the planet

Planet Population


Each planet has a larger population than the previous one. Population can reach large numbers in early game, which are displayed using abbreviations or scientific notification, if it has been enabled in the settings menu. The higher the population, the more Gene Strands can be earned from completely destroying the planet.

Even though planet population is not technically a form of defense, planets with higher population are harder to destroy, because they require additional Bacteria to infect.

It's possible to view the population of previous planets since the last Black Hole in the Destroyed Planets panel.


Currently, there are two types of planet defenses: Nanobot resistance and antibacterial shields.

Nanobot Resistance

Nanobot resistance reduces the effectiveness of Nanobots.

Planet Number Nanobot Resistance Nanobot Resistance Coefficient
1-7 none 2
8-11 basic 1.5
12-16 low 1
17-22 medium 0.5
23-29 high 0.2
30-37 advanced 0.1
38-46 exceptional 0.07
47-59 extreme 0.04
60+ perfect 0.01

Nanobot resistance coefficient is determined by Nanobot resistance and it is used to calculate the effectiveness of Nanobots when attacking the planet.



Starting with Tesmielara (Planet 20), all planets have shields, which makes them harder to destroy.
The shield level increases by 1 for each planet. So the next planet after Tesmielara will have Level 2 shields and so on.
Shields multiply the amount of Bacteria needed to destroy the planet by 15x, where x is the shield level.

Planet List

Early Game Planets (1-34)

Late Game Planets (34+)

There is no limit to the number of planets, but as of version 1.2.1 Minerals can be found only up to Planet 67 (Tapluatos)

Planet name
35 Jiwhayria
36 Yotheoniri
37 Fosheytis
38 Vochuiyama
39 Boswuytos
40 Restiustea
41 Esniykus
42 Nesmoupra
43 Eskaetera
44 Kascaumia
45 Zasleanides
46 Gakleutarn
47 Wagleynus
48 Cafluilara
49 Sucluyria
50 Ubliuniri
51 Nustroacope
52 Uproyama
53 Kitraetos
54 Zifraustea
55 Gidreakus
56 Wibreupra
57 Cowhuatera
58 Sothuomia
59 Oshuynides
60 Pochiutarn
61 Estoanus
62 Lespolara
63 Esnairia
64 Hesmaniri
65 Xaskeacope
66 Dasceuyama
67 Tapluatos
68 Akluostea
69 Pugliakus
70 Ufliobos
71 Lucloatera
72 Utromia
73 Histrainides
74 Xipratarn
75 Ditreinus
76 Tifrelara
77 Ocrualea
78 Qobruoniri
79 Owhiacope
80 Mothioyama
81 Eshoetos
82 Jeswoystea
83 Yestaikus
84 Fespabos
85 Vesneitera
86 Asmemia
87 Qascuenides
88 Aslutarn
89 Maplianus
90 Ukliolara
91 Jugloelea
92 Yufloyniri
93 Fublaocope
94 Vitrayyama
95 Bistreitos
96 Riprerilia
97 Itruekus
98 Nodrubos
99 Ocrietera

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